package note1.chapters.chapter1;

public class Hello {
	static int a;
	static char b;

	public static void main(String[] args) {
		System.getProperties().list(System.out);
		System.out.println(System.getProperties().getProperty("user.name"));
		System.out.println(System.getProperties().getProperty(
				"java.library.path"));
		System.out.println(a);
		System.out.println(b);
		System.out.println(a);
	}

}